package HomeworkUse;

public class UserTest {
    public static void main(String[] args) {
        //创建第一个用户（填写了邮箱）
        User u1 = new User();
        u1.Id = "1001";
        u1.Key = "123abc";
        u1.Email = "123456789@qq.com";
        u1.say();

        //创建第二个用户（未填写邮箱）
        User u2 = new User();
        u2.Id = "1002";
        u2.Key = "456efg";
        u2.say();


    }
}
